根据课文内容完成短文。 Nelson Mandela is a great freedom fighter. He l._______ _______ all his life to achieving his dream of making black and white people 2._______. When he was a black lawyer, he offered 3._______ to poor black people on their legal problems. Once he helped a poor black worker, Elias, to get a passbook so as to stay in Johannesburg and not to become 4._______ of work. Elias became more 5._______ about his future. At that time, a great number of laws were passed to stop black people's rights and progress, making them reach a 6._______ where they had no rights at all. They couldn't 7.v_______. They couldn't get the job they wanted. They had no right to decide where they could live. They had to accept all these, or they would be put in prison. Mandela 8.a_______ these laws. As a matter of fact, he didn't want to answer 9._______ with violence, but hoped to break the law in a 10._______ way. Many people supported his idea and were willing to help him gain black people's equality.